1. Civil Engineering Department, Faculty of Engineering, Najran University, Najran, Saudi Arabia
2. Faculty of Geography and Geology, Institute of Geological Sciences, Jagiellonian University, Kraków, Poland
3. Advanced materials and Nano technology research Centre, Najran University, Najran, Kingdom of Saudi Arabia
4. Empty Quarter Research Unit, Chemistry Department, Faculty of Science and Art at Sharurah, Najran University, Najran, Kingdom of Saudi Arabia